Ronda Jean Rousey (/ˈraʊzi/ or /ˈraʊsi/; born February 1, 1987) is an American mixed martial artist, judoka, and actress. She was the first UFC Women’s Bantamweight Champion, as well as the last Strikeforce Women’s Bantamweight Champion. She was undefeated in her first twelve mixed martial arts fights. She has won eleven of her fights in the first round, and nine by armbar. Rousey was the first U.S. woman to earn an Olympic medal in judo at the Summer Olympics in Beijing in 2008. In 2015, Rousey was ranked number one of fifty Most Dominant Athletes Alive.

Rousey trains under Gokor Chivichyan of the Hayastan MMA Academy, and Edmond Tarverdyan of the Glendale Fighting Club. She formerly trained at the Olympic Training Center in Wakefield, Massachusetts, under the guidance of Jimmy Pedro and is now part of Team Hayastan in Santa Monica, California. Rousey also trains with Romanian Leo Frîncu and Gene Lebell, along with Team Hayastan fighters such as Manny Gamburyan, Karen Darabedyan, Karo Parisyan and Sako Chivitchian. She is managed by Darin Harvey of Fight Tribe MMA. In 2012, Rousey enlisted former undefeated boxing and kickboxing champion Lucia Rijker as striking coach.

Rousey is the consensus #1 pound-for-pound female MMA fighter in the world, according to MMARising, MMAWeekly, and other publications. She is ranked #1 at 135 pounds according to the Unified Women’s MMA Rankings. Fight Matrix lists her as the #1 Current Women’s MMA Bantamweight Fighter, the #1 Current Pound for Pound Women’s MMA Fighter, and the #1 Women’s MMA Fighter of all time. As of June 20, 2015, she is the #4 pound-for-pound fighter in the UFC.

Ronda Rousey was voted on an ESPN poll as the Best Female Athlete Ever. In September 2015, she revealed on The Ellen DeGeneres Show that she is currently the UFC’s highest paid fighter, male or female. Rousey’s first feature film role was the 2014 film The Expendables 3. In 2015, she had roles in the films Furious 7 and Entourage.